Improvement in metallic packing foe piston-rods



@with tette geteilt @frn JOSEPH H. WEBSTER, OF yST.'LOUIS, MISSOURI,ASSIGNOR TO HIMSELF AND JOHN KUPFERLE, OF THE SAME PLACE.

Lettere Patent No. 66,758, dated July 16, v1867.

IMPROVEMENT IN METALLIC PAGKING` POR PISTONeRODS.

@the Srlgehule referrer tu im tlgesc tcttets, nteut mth' making-@uti nftige smite.

TO ALL WHOM IT MAY CONCERNi Be it known that I, JOSEPH H. WEBSTER, ofthe city end countyof St. Louis, and Stateof Missouri, have inventedcertainl new'and useful Improvements in the Packing of Stuffing-Boxesfor steam and other similar engines; and I do -hereby declare thefollowing to be a full, clear, and exact description of the same,reference being had to the annexed drawing, making part of thisspecification, in which- Figures 1 and 2 are top views of: twodiii'erent styles of stumng-boxes wth'the, packing glands and boltsapplied thereto; and- V Figures 3 and 4 are longitudinal sectionsthrough said stuffing-boxes and glands respectively.

The following description of my invention will enable any one skilled`in the arts to which it appertains to make and use the same. A

i In the drawing, a represents the stuiugl-box, which is bored outsomewhat `in the form of a hyperbole, or`

it inayl be in the forni of a spindle, or cone, or ellipse7 or otheranalogous form, and thepacking gland is bored ont in form to correspondwith the stufxng-hox so as to leave a space for the packing around thepistonrod or valve-stem, substantially of `the form shown by e,andthrough the top of the gland by 'u a hole is` made in the manner shown.Now, after the stuffing-box and -g'land have been thus madeland puttogether, the space c is run full of some soft alloy, so as to form asolid packing of the form' substantially as shown by the space. Afterthe packing -has been thus formed the piston-rod o r valve-stem. istaken or driven out, the gland taken oil`,and the packing taken out,cleaned, oiled, .and put. back .in its place 0n the piston-rod, afterwhich the gland is put in its place and screwed down on vthe packing soas toclose it tight enough on the rod or stem tomuke a steamtight joint,whiclrjoint can be maintained steani-tight fora great while, for byscrewing down on the gland both ends of the packing are crowded up tothe rod or stem, as the result of the shape of the packing. Figs 2 and43 represent a style of gland and stuing-box which may be applied toengines having the ordinary style of stuflng-boxg-the bushing n. beingmade to lit in the stuffing-box of the cylinder-head or steam-chestcover as the case may be. 4

Having now described the nature and extent of my invention, I'olaim,and\desire to secure by Letters Patent-- l g v In combination with thesmiling-box, the solid alloy packing c, when made of an oblong form, andarranged in relation to the stuffing-box, rod, and gland, so that thescrewing down of the latter will contract the two ends of the packingaround the rod7 as shown and described.

I l JOSEPH H. WEBSTER.

Witnesses:-

CHAs. U. BoYLn, S. M. RANDOLPH.

